tabbar

pedi-foods/Sources/PediFoods/ContentView.swift

@@ -7,11 +7,57 @@ struct ContentView: View {
     @State var appState = AppState()
 
     var body: some View {
-        switch root {
-        case .auth:
-            AuthFlowView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState)
-        case .main:
-            MainTabView(selectedTab: $selectedTab, root: $root, tokenStore: tokenStore, appState: $appState)
+        Group {
+            switch root {
+            case .auth:
+                AuthFlowView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState)
+            case .main:
+                MainTabView(selectedTab: $selectedTab, root: $root, tokenStore: tokenStore, appState: $appState)
+            }
+        }
+        .sheet(item: $appState.activeModal) { modal in
+            switch modal {
+            case .addressPicker:
+                AddressPickerModalView()
+            case .filters:
+                FiltersModalView()
+            }
+        }
+    }
+}
+
+struct AddressPickerModalView: View {
+    var body: some View {
+        NavigationStack {
+            VStack(spacing: 12) {
+                Text("Selecionar endereco")
+                    .font(AppTypography.heading2)
+                Text("Fluxo de endereco sera implementado na etapa de checkout/perfil.")
+                    .font(AppTypography.body)
+                    .multilineTextAlignment(.center)
+                    .foregroundStyle(AppColors.textMuted)
+            }
+            .padding(24)
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+            .background(AppColors.backgroundLight)
+        }
+    }
+}
+
+struct FiltersModalView: View {
+    var body: some View {
+        NavigationStack {
+            VStack(spacing: 12) {
+                Text("Filtros")
+                    .font(AppTypography.heading2)
+                Text("Filtros de busca serao ligados na integracao real da Home com API.")
+                    .font(AppTypography.body)
+                    .multilineTextAlignment(.center)
+                    .foregroundStyle(AppColors.textMuted)
+            }
+            .padding(24)
+            .frame(maxWidth: .infinity, maxHeight: .infinity)
+            .background(AppColors.backgroundLight)
         }
     }
 }

pedi-foods/Sources/PediFoods/Resources/Localizable.xcstrings

@@ -257,7 +257,7 @@
       "isCommentAutoGenerated" : true
     },
     "Enviado para %@" : {
-      "comment" : "A label below the \"OTP\" title that indicates the email to which the OTP was sent. The argument is the email address to which the OTP was sent.",
+      "comment" : "A label below the \"OTP\" text, indicating that a code has been sent to the user's email address. The argument is the user's email address.",
       "isCommentAutoGenerated" : true
     },
     "Enviaremos um código de verificação por SMS \nou E-mail para confirmar seu acesso." : {
@@ -294,6 +294,18 @@
         }
       }
     },
+    "Filtros" : {
+      "comment" : "A label for the filter options in the modal.",
+      "isCommentAutoGenerated" : true
+    },
+    "Filtros de busca serao ligados na integracao real da Home com API." : {
+      "comment" : "A description of the filters feature that will be added to the home screen.",
+      "isCommentAutoGenerated" : true
+    },
+    "Fluxo de endereco sera implementado na etapa de checkout/perfil." : {
+      "comment" : "A message explaining that the address selection feature will be implemented in the checkout and profile screens.",
+      "isCommentAutoGenerated" : true
+    },
     "Hello [%@](https://skip.tools)!" : {
       "comment" : "Welcome tab contents",
       "extractionState" : "stale",
@@ -463,7 +475,7 @@
       "isCommentAutoGenerated" : true
     },
     "OTP" : {
-      "comment" : "The title of a view that asks the user to enter an OTP code.",
+      "comment" : "The title of a view that asks for a one-time password (OTP).",
       "isCommentAutoGenerated" : true
     },
     "Pedidos" : {
@@ -554,6 +566,10 @@
         }
       }
     },
+    "Selecionar endereco" : {
+      "comment" : "A title for the address picker modal view.",
+      "isCommentAutoGenerated" : true
+    },
     "Settings" : {
       "comment" : "Tab bar item title for the Settings tab",
       "extractionState" : "stale",

pedi-foods/Sources/PediFoods/Services/ApiClient.swift

@@ -7,8 +7,10 @@ enum NetworkError: Error, LocalizedError {
     case invalidURL
     case invalidResponse
     case httpError(Int, String?)
-    case decodeError
-    case rateLimited
+    case unauthorized(String?)
+    case decodeError(String?)
+    case rateLimited(Int?)
+    case transportError(String)
 
     var errorDescription: String? {
         switch self {
@@ -16,8 +18,20 @@ enum NetworkError: Error, LocalizedError {
         case .invalidResponse: return "Resposta invalida do servidor"
         case .httpError(let code, let message):
             return message ?? "Erro HTTP (\(code))"
-        case .decodeError: return "Erro ao interpretar dados"
-        case .rateLimited: return "Muitas requisicoes. Tente novamente." 
+        case .unauthorized(let message):
+            return message ?? "Sessao expirada. Faca login novamente."
+        case .decodeError(let payload):
+            if let payload, payload.isEmpty == false {
+                return "Erro ao interpretar dados: \(payload)"
+            }
+            return "Erro ao interpretar dados"
+        case .rateLimited(let retryAfter):
+            if let retryAfter {
+                return "Muitas requisicoes. Tente novamente em \(retryAfter)s."
+            }
+            return "Muitas requisicoes. Tente novamente."
+        case .transportError(let message):
+            return "Erro de rede: \(message)"
         }
     }
 }
@@ -48,6 +62,8 @@ struct ApiRequest {
 final class ApiClient {
     private let session: URLSession
     private let tokenStore: TokenStore
+    private let maxAttempts = 3
+    private let baseBackoffNanoseconds: UInt64 = 300_000_000
 
     init(session: URLSession = .shared, tokenStore: TokenStore = DefaultTokenStore()) {
         self.session = session
@@ -69,27 +85,93 @@ final class ApiClient {
             urlRequest.setValue("Bearer \(jwt)", forHTTPHeaderField: "Authorization")
         }
 
-        let (data, response) = try await session.data(for: urlRequest)
+        var attempt = 1
+        while attempt <= maxAttempts {
+            do {
+                return try await perform(urlRequest, as: T.self)
+            } catch let error as NetworkError {
+                guard shouldRetry(error), attempt < maxAttempts else {
+                    throw error
+                }
+                try await Task.sleep(nanoseconds: backoff(for: attempt, error: error))
+                attempt += 1
+            } catch {
+                let wrapped = NetworkError.transportError(error.localizedDescription)
+                guard attempt < maxAttempts else { throw wrapped }
+                try await Task.sleep(nanoseconds: backoff(for: attempt, error: wrapped))
+                attempt += 1
+            }
+        }
+        throw NetworkError.invalidResponse
+    }
+
+    private func perform<T: Decodable>(_ request: URLRequest, as type: T.Type) async throws -> T {
+        let (data, response): (Data, URLResponse)
+        do {
+            (data, response) = try await session.data(for: request)
+        } catch {
+            throw NetworkError.transportError(error.localizedDescription)
+        }
+
         guard let http = response as? HTTPURLResponse else {
             throw NetworkError.invalidResponse
         }
 
         if http.statusCode == 429 {
-            throw NetworkError.rateLimited
+            let retryAfter = Int(http.value(forHTTPHeaderField: "Retry-After") ?? "")
+            throw NetworkError.rateLimited(retryAfter)
+        }
+
+        if http.statusCode == 401 || http.statusCode == 403 {
+            throw NetworkError.unauthorized(serverMessage(from: data))
         }
 
         if !(200...299).contains(http.statusCode) {
-            let message = String(data: data, encoding: .utf8)
-            throw NetworkError.httpError(http.statusCode, message)
+            throw NetworkError.httpError(http.statusCode, serverMessage(from: data))
         }
 
         do {
-            return try JSONDecoder().decode(T.self, from: data)
+            return try JSONDecoder().decode(type, from: data)
         } catch {
-            throw NetworkError.decodeError
+            throw NetworkError.decodeError(String(data: data, encoding: .utf8))
         }
     }
 
+    private func shouldRetry(_ error: NetworkError) -> Bool {
+        switch error {
+        case .rateLimited, .transportError:
+            return true
+        case .httpError(let statusCode, _):
+            return statusCode >= 500
+        case .invalidURL, .invalidResponse, .decodeError, .unauthorized:
+            return false
+        }
+    }
+
+    private func backoff(for attempt: Int, error: NetworkError) -> UInt64 {
+        if case .rateLimited(let retryAfter) = error, let retryAfter {
+            return UInt64(retryAfter) * 1_000_000_000
+        }
+        let multiplier = UInt64(max(1, attempt))
+        return min(baseBackoffNanoseconds * multiplier, 2_000_000_000)
+    }
+
+    private func serverMessage(from data: Data) -> String? {
+        if let envelope = try? JSONDecoder().decode(ApiEnvelope<EmptyResult>.self, from: data) {
+            return envelope.message
+        }
+
+        if let object = try? JSONSerialization.jsonObject(with: data) as? [String: Any] {
+            if let message = object["message"] as? String {
+                return message
+            }
+            if let code = object["code"] as? String {
+                return "Erro: \(code)"
+            }
+        }
+        return String(data: data, encoding: .utf8)
+    }
+
     private func buildURL(path: String, query: [URLQueryItem]) throws -> URL {
         guard var components = URLComponents(url: ApiConfig.baseURL, resolvingAgainstBaseURL: false) else {
             throw NetworkError.invalidURL

pedi-foods/Sources/PediFoods/Services/ApiService.swift

@@ -1,5 +1,16 @@
 import Foundation
 
+enum ApiServiceError: Error, LocalizedError {
+    case sessionExpired(String?)
+
+    var errorDescription: String? {
+        switch self {
+        case .sessionExpired(let message):
+            return message ?? "Sessao expirada. Faca login novamente."
+        }
+    }
+}
+
 struct ApiEnvelope<T: Decodable>: Decodable {
     let error: Bool
     let code: String?
@@ -16,18 +27,30 @@ final class ApiService {
         self.tokenStore = tokenStore
     }
 
+    private func send<T: Decodable>(_ req: ApiRequest) async throws -> T {
+        do {
+            return try await client.send(req)
+        } catch let error as NetworkError {
+            if case .unauthorized(let message) = error {
+                tokenStore.clear()
+                throw ApiServiceError.sessionExpired(message)
+            }
+            throw error
+        }
+    }
+
     // MARK: - Auth
 
     func requestOtp(email: String) async throws -> ApiEnvelope<EmptyResult> {
         let body = try JSONEncoder().encode(["email": email])
         let req = ApiRequest(path: "/api/customer/login", method: "POST", module: .customer, requiresAuth: false, body: body)
-        return try await client.send(req)
+        return try await send(req)
     }
 
     func validateOtp(email: String, otp: String) async throws -> ApiEnvelope<LoginResult> {
         let body = try JSONEncoder().encode(["email": email, "otp": otp])
         let req = ApiRequest(path: "/api/customer/login", method: "POST", module: .customer, requiresAuth: false, body: body)
-        let response: ApiEnvelope<LoginResult> = try await client.send(req)
+        let response: ApiEnvelope<LoginResult> = try await send(req)
         if let token = response.result?.token {
             tokenStore.jwt = token
         }
@@ -36,7 +59,7 @@ final class ApiService {
 
     func profile() async throws -> ApiEnvelope<CustomerProfile> {
         let req = ApiRequest(path: "/api/customer/profile", method: "GET", module: .customer, requiresAuth: true)
-        return try await client.send(req)
+        return try await send(req)
     }
 
     // MARK: - Stores
@@ -53,7 +76,7 @@ final class ApiService {
             items.append(URLQueryItem(name: "search", value: search))
         }
         let req = ApiRequest(path: "/api/app/stores", method: "GET", module: .app, requiresAuth: true, queryItems: items)
-        return try await client.send(req)
+        return try await send(req)
     }
 }
 

pedi-foods/Sources/PediFoods/Services/LocationService.swift

@@ -5,9 +5,24 @@ import CoreLocation
 #endif
 
 final class LocationService: NSObject {
+    typealias LocationResult = Result<(Double, Double), LocationError>
+
+#if os(iOS)
+    enum LocationError: Error {
+        case servicesDisabled
+        case denied
+        case unavailable
+    }
+#else
+    enum LocationError: Error {
+        case denied
+        case unavailable
+    }
+#endif
+
 #if os(iOS)
     private let manager = CLLocationManager()
-    private var completion: ((Double, Double) -> Void)?
+    private var completion: ((LocationResult) -> Void)?
 #endif
 
     override init() {
@@ -18,28 +33,52 @@ final class LocationService: NSObject {
 #endif
     }
 
-    func requestLocation(_ completion: @escaping (Double, Double) -> Void) {
+    func requestLocation(_ completion: @escaping (LocationResult) -> Void) {
 #if os(iOS)
+        guard CLLocationManager.locationServicesEnabled() else {
+            completion(.failure(.servicesDisabled))
+            return
+        }
         self.completion = completion
         manager.requestWhenInUseAuthorization()
         manager.requestLocation()
 #else
-        // Android: implement later with platform-specific bridge
-        _ = completion
+        let defaults = UserDefaults.standard
+        if defaults.bool(forKey: "location_permission_denied") {
+            completion(.failure(.denied))
+            return
+        }
+
+        guard let latRaw = defaults.string(forKey: "last_location_lat"),
+              let lngRaw = defaults.string(forKey: "last_location_lng"),
+              let lat = Double(latRaw),
+              let lng = Double(lngRaw) else {
+            completion(.failure(.unavailable))
+            return
+        }
+        completion(.success((lat, lng)))
 #endif
     }
 }
 
 #if os(iOS)
 extension LocationService: CLLocationManagerDelegate {
+    func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
+        let status = manager.authorizationStatus
+        if status == .denied || status == .restricted {
+            completion?(.failure(.denied))
+            completion = nil
+        }
+    }
+
     func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
         guard let location = locations.first else { return }
-        completion?(location.coordinate.latitude, location.coordinate.longitude)
+        completion?(.success((location.coordinate.latitude, location.coordinate.longitude)))
         completion = nil
     }
 
     func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
-        // Silence for now; UI can handle missing location.
+        completion?(.failure(.unavailable))
         completion = nil
     }
 }

pedi-foods/Sources/PediFoods/Services/TokenStore.swift

@@ -1,4 +1,7 @@
 import Foundation
+#if os(iOS)
+import Security
+#endif
 
 protocol TokenStore: AnyObject {
     var jwt: String? { get set }
@@ -10,11 +13,79 @@ final class DefaultTokenStore: TokenStore {
     private let defaults = UserDefaults.standard
 
     var jwt: String? {
-        get { defaults.string(forKey: key) }
-        set { defaults.set(newValue, forKey: key) }
+        get {
+#if os(iOS)
+            if let keychainValue = loadKeychainValue(for: key) {
+                return keychainValue
+            }
+#endif
+            return defaults.string(forKey: key)
+        }
+        set {
+#if os(iOS)
+            if let newValue {
+                saveKeychainValue(newValue, for: key)
+            } else {
+                deleteKeychainValue(for: key)
+            }
+#endif
+            defaults.set(newValue, forKey: key)
+        }
     }
 
     func clear() {
+#if os(iOS)
+        deleteKeychainValue(for: key)
+#endif
         defaults.removeObject(forKey: key)
     }
+
+#if os(iOS)
+    private var serviceName: String { "com.br.pedifoods.app.auth" }
+
+    private func saveKeychainValue(_ value: String, for key: String) {
+        guard let data = value.data(using: .utf8) else { return }
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: serviceName,
+            kSecAttrAccount as String: key
+        ]
+
+        SecItemDelete(query as CFDictionary)
+        let attributes: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: serviceName,
+            kSecAttrAccount as String: key,
+            kSecValueData as String: data
+        ]
+        SecItemAdd(attributes as CFDictionary, nil)
+    }
+
+    private func loadKeychainValue(for key: String) -> String? {
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: serviceName,
+            kSecAttrAccount as String: key,
+            kSecReturnData as String: true,
+            kSecMatchLimit as String: kSecMatchLimitOne
+        ]
+        var result: AnyObject?
+        let status = SecItemCopyMatching(query as CFDictionary, &result)
+        guard status == errSecSuccess,
+              let data = result as? Data,
+              let value = String(data: data, encoding: .utf8) else {
+            return nil
+        }
+        return value
+    }
+
+    private func deleteKeychainValue(for key: String) {
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: serviceName,
+            kSecAttrAccount as String: key
+        ]
+        SecItemDelete(query as CFDictionary)
+    }
+#endif
 }

pedi-foods/Sources/PediFoods/State/AppState.swift

@@ -6,6 +6,14 @@ struct AppState {
     var cart = CartState()
     var address = AddressState()
     var favorites = FavoritesState()
+    var activeModal: AppModal? = nil
+}
+
+enum AppModal: String, Identifiable {
+    case addressPicker
+    case filters
+
+    var id: String { rawValue }
 }
 
 struct SessionState {

pedi-foods/Sources/PediFoods/Views/Auth/AuthFlowView.swift

@@ -226,7 +226,7 @@ struct RegistrationView: View {
 
                     HStack(spacing: 6) {
                         Text("Já tem uma conta?")
-                            .foregroundStyle(colorScheme == .dark ? Color.white.opacity(0.8) : AppColors.secondary)
+                            .foregroundStyle(colorScheme == .dark ? Color.white.opacity(0.8) : AppColors.textPrimary)
                         NavigationLink("Entrar") {
                             LoginEmailView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState)
                         }

pedi-foods/Sources/PediFoods/Views/Main/HomeView.swift

@@ -110,9 +110,14 @@ struct HomeView: View {
         .onAppear {
             if hasRequestedLocation == false {
                 hasRequestedLocation = true
-                locationService.requestLocation { lat, lng in
-                    appState.address.latitude = lat
-                    appState.address.longitude = lng
+                locationService.requestLocation { result in
+                    switch result {
+                    case .success(let coordinate):
+                        appState.address.latitude = coordinate.0
+                        appState.address.longitude = coordinate.1
+                    case .failure:
+                        appState.address.display = "Defina seu endereco"
+                    }
                 }
             }
         }
@@ -186,14 +191,19 @@ struct HomeView: View {
                             .tracking(AppTypography.captionLetterSpacing)
                             .foregroundStyle(AppColors.brandSoft)
 
-                        HStack(spacing: 6) {
-                            Text(appState.address.display)
-                                .font(AppTypography.heading3)
-                                .foregroundStyle(AppColors.textInverse)
-                            Image(systemName: "chevron.down")
-                                .font(.caption)
-                                .foregroundStyle(AppColors.brandSoft)
+                        Button {
+                            appState.activeModal = .addressPicker
+                        } label: {
+                            HStack(spacing: 6) {
+                                Text(appState.address.display)
+                                    .font(AppTypography.heading3)
+                                    .foregroundStyle(AppColors.textInverse)
+                                Image(systemName: "chevron.down")
+                                    .font(.caption)
+                                    .foregroundStyle(AppColors.brandSoft)
+                            }
                         }
+                        .buttonStyle(.plain)
                     }
 
                     Spacer()
@@ -216,7 +226,9 @@ struct HomeView: View {
                     .opacity(titleOpacity)
                     .offset(y: collapseProgress * -20)
 
-                SearchBar(placeholder: "Search menu, restaurant or craving", text: $searchText)
+                SearchBar(placeholder: "Search menu, restaurant or craving", text: $searchText) {
+                    appState.activeModal = .filters
+                }
                     .offset(y: collapseProgress * -140)
             }
             .padding(.horizontal, 20)
@@ -313,6 +325,7 @@ struct CategoryChip: View {
 struct SearchBar: View {
     let placeholder: String
     @Binding var text: String
+    var onFilterTap: () -> Void = {}
 
     var body: some View {
         HStack(spacing: 12) {
@@ -322,8 +335,10 @@ struct SearchBar: View {
                 .textInputAutocapitalization(.never)
                 .autocorrectionDisabled()
             Spacer()
-            Image(systemName: "slider.horizontal.3")
-                .foregroundStyle(AppColors.textMuted)
+            Button(action: onFilterTap) {
+                Image(systemName: "slider.horizontal.3")
+                    .foregroundStyle(AppColors.textMuted)
+            }
         }
         .padding(.horizontal, 16)
         .frame(height: 52)

pedi-foods/Sources/PediFoods/Views/Main/MainTabView.swift

@@ -7,25 +7,66 @@ struct MainTabView: View {
     @Binding var appState: AppState
 
     var body: some View {
-        TabView(selection: $selectedTab) {
-            NavigationStack {
-                HomeView(appState: $appState)
+        ZStack(alignment: .bottom) {
+            Group {
+                switch selectedTab {
+                case .home:
+                    NavigationStack {
+                        HomeView(appState: $appState)
+                    }
+                case .cart:
+                    NavigationStack {
+                        CartView()
+                    }
+                case .profile:
+                    NavigationStack {
+                        ProfileView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState)
+                    }
+                }
             }
-            .tabItem { Label("Home", systemImage: "house.fill") }
-            .tag(MainTab.home)
 
-            NavigationStack {
-                CartView()
-            }
-            .tabItem { Label("Carrinho", systemImage: "cart.fill") }
-            .tag(MainTab.cart)
-
-            NavigationStack {
-                ProfileView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState)
-            }
-            .tabItem { Label("Perfil", systemImage: "person.fill") }
-            .tag(MainTab.profile)
+            customTabBar
         }
-        .tint(AppColors.primary)
+    }
+
+    private var customTabBar: some View {
+        HStack(spacing: 12) {
+            tabBarButton(tab: .home, title: "Home", icon: "house.fill")
+            tabBarButton(tab: .cart, title: "Carrinho", icon: "cart.fill")
+            tabBarButton(tab: .profile, title: "Perfil", icon: "person.fill")
+        }
+        .padding(.horizontal, 14)
+        .padding(.vertical, 10)
+        .background(
+            RoundedRectangle(cornerRadius: 30, style: .continuous)
+                .fill(AppColors.surface.opacity(0.95))
+        )
+        .padding(.horizontal, 18)
+        .padding(.bottom, 10)
+        .shadow(color: AppShadow.soft.color, radius: AppShadow.soft.radius, y: AppShadow.soft.y)
+    }
+
+    private func tabBarButton(tab: MainTab, title: String, icon: String) -> some View {
+        let isActive = selectedTab == tab
+        return Button {
+            selectedTab = tab
+        } label: {
+            HStack(spacing: 8) {
+                Image(systemName: icon)
+                    .font(.system(size: 18, weight: .semibold))
+                if isActive {
+                    Text(title)
+                        .font(AppTypography.heading3)
+                }
+            }
+            .foregroundStyle(isActive ? AppColors.primary : AppColors.textPrimary)
+            .padding(.horizontal, 18)
+            .padding(.vertical, 10)
+            .background(
+                Capsule()
+                    .fill(isActive ? AppColors.brandSoft : Color.clear)
+            )
+        }
+        .buttonStyle(.plain)
     }
 }